From 7ba2df2eff4c859518addaa797466e74260a2d50 Mon Sep 17 00:00:00 2001
From: spf13 <steve.francia@gmail.com>
Date: Tue, 10 Sep 2013 18:28:58 -0400
Subject: [PATCH] Detect and panic if command is setup as it's own child.

---
 cobra.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cobra.go b/cobra.go
index 2b9c16a..a7648d0 100644
--- a/cobra.go
+++ b/cobra.go
@@ -158,6 +158,9 @@ func (c *Command) ResetCommands() {
 // Add one or many commands as children of this
 func (c *Command) AddCommand(cmds ...*Command) {
 	for i, x := range cmds {
+		if cmds[i] == c {
+			panic("Command can't be a child of itself")
+		}
 		cmds[i].parent = c
 		c.commands = append(c.commands, x)
 	}